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Keflavik Intl

$388+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$539
(Delta)

One-way from

$388
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$472
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
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From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/95:09 pmDCA - KEF
1 stop12h 21mVirgin Atlantic
dom. 4/1211:25 amKEF - DCA
1 stop15h 11mVirgin Atlantic
Deal found 1/7$539
This KLM deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/112:13 pmDCA - KEF
2 stops15h 17mMultiple Airlines
sáb. 4/1811:25 amKEF - DCA
2 stops16h 08mMultiple Airlines
Deal found 1/8$543
This KLM deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/106:13 amDCA - KEF
1 stop23h 17mKLM
dom. 4/1211:25 amKEF - DCA
1 stop15h 11mKLM
Deal found 1/7$544
This FlightHub deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1812:55 pmDCA - KEF
2 stops39h 00mAir Canada
lun. 8/249:15 amKEF - DCA
1 stop29h 03mAir Canada
Deal found 1/6$546
This Expedia deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/166:00 amDCA - KEF
1 stop21h 55mAir Canada
mié. 8/2610:00 amKEF - DCA
1 stop12h 12mAir Canada
Deal found 1/7$550
This Booking.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/146:00 amDCA - KEF
1 stop21h 55mAir Canada
dom. 8/2310:00 amKEF - DCA
2 stops30h 00mAir Canada
Deal found 1/6$551
This Virgin Atlantic deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/3011:00 amDCA - KEF
1 stop18h 30mVirgin Atlantic
lun. 5/411:25 amKEF - DCA
1 stop9h 35mVirgin Atlantic
Deal found 1/7$553
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1010:15 pmDCA - KEF
2 stops31h 15mDelta
mar. 4/2111:25 amKEF - DCA
2 stops23h 50mDelta
Deal found 1/7$554
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/154:00 pmDCA - KEF
2 stops37h 30mDelta
mar. 4/2111:25 amKEF - DCA
1 stop9h 35mDelta
Deal found 1/7$555
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/86:00 amDCA - KEF
1 stop21h 55mUnited Airlines
vie. 10/169:15 amKEF - DCA
1 stop10h 33mUnited Airlines
Deal found 1/6$562
This United Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/226:30 amDCA - KEF
1 stop22h 00mUnited Airlines
sáb. 8/299:15 amKEF - DCA
1 stop29h 03mUnited Airlines
Deal found 1/7$564

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jue. 4/23

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

jue. 4/30

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

vie. 4/24

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

dom. 4/26

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jue. 4/9

5:09 pm-9:30 am

1 stop12h 21m

Reykjavik Keflavik Intl

jue. 4/16

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

vie. 4/24

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

mié. 4/29

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 4/21

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

jue. 4/30

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mié. 4/8

5:09 pm-9:30 am

1 stop12h 21m

Reykjavik Keflavik Intl

dom. 4/12

11:25 am-10:36 pm

1 stop15h 11m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jue. 4/23

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

mié. 4/29

11:25 am-10:43 pm

1 stop15h 18m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 4/11

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

sáb. 4/18

11:25 am-5:00 pm

1 stop9h 35m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 4/11

2:13 pm-9:30 am

2 stops15h 17m

Reykjavik Keflavik Intl

sáb. 4/18

11:25 am-11:33 pm

2 stops16h 08m

$543

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

vie. 4/24

2:40 pm-9:30 am

2 stops14h 50m

Reykjavik Keflavik Intl

mié. 4/29

11:25 am-11:33 pm

2 stops16h 08m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 21 results
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like KLM and Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 18h 30m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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